Effects of a 12-Week Hybrid Analog–Digital Cognitive Training on Cognitively Unimpaired Older Adults: A Pilot Single-Blind Randomized Controlled Trial
Abstract
Background and Purpose Global population aging heightens concern about cognitive decline, underscoring the need for scalable interventions. While computerized cognitive training offers benefits, many seniors face device-related challenges that limit adherence, and facility-based programs pose logistical barriers. To address these, we evaluated a 12-week home-based Hybrid Analog–Digital Cognitive Training (HCT) program, which paired a sensor-embedded, pressure-sensitive paper workbook with a Bluetooth-linked television, to enhance usability and engagement among cognitively unimpaired (CU) older adults. Methods In this single-blind, randomized controlled trial, 66 CU adults aged ≥60 years were allocated to HCT or control (each n=33) groups. Participants had literacy and Korean Mini-Mental State Examination scores above −1.5 standard deviation. The HCT group performed 30-minute sessions 5 times weekly for 12 weeks, while controls continued usual activities. Primary outcomes were changes in composite Z-scores for frontal, attention, and memory domains, derived from the Cambridge Neuropsychological Testing Automated Battery. Z-scores were direction-weighted and aggregated by domain. Between-group differences were analyzed using linear mixed-effects models. Results Baseline characteristics were similar between groups. After 12 weeks, the HCT group showed a significant group × visit interaction in the frontal domain (estimate, 0.29; standard error, 0.13; p=0.03), indicating…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 66 participants or records.
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